WASHINGTON — Several retailers got top scores from a gay-rights organization for their efforts to prevent discrimination against and to include lesbian, gay, bisexual and transgender employees.

The Human Rights Campaign released its 2013 Corporate Equality Index, which gives companies ratings of up to 100% based on their policies regarding LGBT employees and also released a buyer's guide for LGBT consumers.

Walgreens, Target, Supervalu and Sears Holdings received 100% ratings; while Costco Wholesale received a 95% rating; Safeway and Kroger received 85%; Rite Aid, CVS and Walmart received 60%; Ahold received 55%; . Meanwhile, Dollar General received 45%; BJ's Wholesale received 35%; Family Dollar received 30%; and Meijer received 25%. Winn-Dixie received a 15% rating, while A&P, Harris Teeter and Publix received 0% ratings.

Companies were evaluated based on policies like spousal and partner medical benefits, non-discrimination policies, efforts to recruit LGBT employees, marketing to LGBT consumers and support for LGBT organizations and philanthropic efforts.

The report noted that 83% of employers on the list had an LGBT employee-resource group or diversity panel, compared with 78% in 2008 and 40% in 2002, while 89% offer health insurance for same-sex domestic partners.